Table IV:

Change in confidence level before and after viewing setups

		Confidence before				Confidence after				Change in confidence
Parameters	n	Mean (%)	95% CI		P*	Mean (%)	95% CI		P*	Mean (%)	95% CI		P*
Total	174	83	78	87		89	86	91		6	4	9	<0.001**
Case
1	29	89	85	93	<0.001	90	86	93	0.001	1	−2	4	<0.001
2	29	85	80	90		92	89	95		7	3	10
3	29	74	67	81		87	83	90		13	8	18
4	29	83	79	87		86	82	90		3	−0.2	6.7
5	29	81	76	87		89	85	93		8	4	12
6	29	83	76	90		90	86	93		7	2	12
Change in treatment plan
Kept original plan	133	84	80	88	0.003	89	86	92	0.37	5	3	7	0.003
Changed plan	41	77	71	84		88	84	91		10	6	15
Experience of practitioners
Residents	42	72	60	83	0.067	81	76	86	<0.001	9	1	18	0.55
≤ 5 years in practice	78	86	82	91		91	88	94		5	3	7
> 5 years in practice	54	86	81	91		92	89	95		6	3	9

^*Linear regression using generalized estimating equations

^**Comparing before vs. after